Methods and systems for compensating for changes in anatomy of radiotherapy patients
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United States of America Patent
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Aug 21, 2012
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N/A
app pub date -
Jul 21, 2008
filing date -
Jul 20, 2007
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Abstract
Portal images are combined with 3D ultrasound to determine adjustments to patient treatment parameters. The images are acquired while the patient is in an initial position, and the images are registered to a treatment coordinate system. The images are combined and outlines of anatomical structures are superimposed on the portal images, resulting in new portal images that incorporate the anatomy extracted from the ultrasound. The enhanced portal images are used to identify modifications to the treatment parameters.
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